Home / 1,022,904.45-1,534,418.10-312,938.64

Finding the Fourth Proportional to 1,022,904.45, 1,534,418.10 and 312,938.64

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Solution

The fourth proportional to 1,022,904.45, 1,534,418.10 and 312,938.64 is: 469,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,904.45 : 1,534,418.10 = 312,938.64 : x
  2. Step 2: Convert to fraction form
    1,022,904.45/1,534,418.10 = 312,938.64/x
  3. Step 3: Cross multiply
    1,022,904.45x = 1,534,418.10 × 312,938.64
  4. Step 4: Simplify right side
    1,022,904.45x = 480,178,713,405.38
  5. Step 5: Solve for x
    x = 480,178,713,405.38/1,022,904.45
  6. Step 6: Final answer
    x = 469,426.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.